Help please. Screenshot if below:

The table shows the changes in the times (in seconds) of four teammates. What is the mean change? Write your answer as a decimal. {picture}
The mean change is _____second(s).

Help please Screenshot if below The table shows the changes in the times in seconds of four teammates What is the mean change Write your answer as a decimal pic class=

Respuesta :

Answer: - 1.28

Hope this help you and or any other person that needs this :)

Step-by-step explanation:

I’m soo sorry I don’t know the answer for this